Why my M75q not turning on but it's running a fan with no display

Hi @idhdryuyge0em5m

Try a power refresh and check if that resolves the problem.

Here's the procedure:

• Turn off the PC if it is on and then disconnect the power from the PC.
• Remove the cover from the PC case and then remove the coin cell battery from the motherboard.

Here's the hardware maintenance manual for the PC.

Go to p.58 (64 of 85 pdf) in the manual to see how to remove the cover.

When the coin cell battery has been removed, measure its voltage to see if it is still OK or not. If the voltage is <2.5V DC or if the battery is >4-5 years old, replace it. Usually the battery model number is on the battery itself e.g. CR2032 or similar.

• Press and hold the PC Power On button operated for a full 30 seconds and then release it.
• Reinsert the coin cell battery in its holder on the motherboard (+ve side up as marked on the battery)
• Replace the case cover on the PC, reconnect the power to the PC and check if it turns on OK.

If it works OK there may be a message stating that the date and time are incorrect. This is normal as the BIOS has been reset back to its factory default state, by the above procedure. Once the date and time have been corrected, the message won't appear the next time the PC is turned on. Also any user definable setting in BIOS that were changed by you to suit whatever operating requirements you needed, will have to be changed back again also.